Steering Wheel control Primary harness adapters convert the commands from your car's steering wheel controls to a code that an aftermarket radio can recognize. A patch lead is also requires for SWC type systems based on the brand of head unit you have. for more details check out our you tube video. http://aerpro.com/video/control_harness_installation CHMZ0C Bose Amplified 2008-2009 Mazda 6 2008-2009 - GH Series 1 Vehicles with Amplified Bose System
LOCATION: 5 MIDDLE PIN SECTION AMP REMOTE TURN ON: SOLID BLUE WIRE